Barons and castellans · Other imperial lands · as at first light, 1 January 1200

Gex

A cadet lordship of the house of Geneva on the right bank of the Rhone, from the Pas de l'Ecluse to Versoix, under the Jura.

Who he is

Name
Amadeus (Amedee) of Gex
Title
Lord of Gex
Since
not pinned (an apanage cut from the county of Geneva)
Born
not pinned
Family
Younger son of Amadeus I of Geneva, so uncle of Count Humbert. Married Poncia. Died in December 1210 or on 17 October 1211.
Confidence
medium

fr.wikipedia Pays de Gex.

Overlord

The count of Geneva

What it holds

  • Gex and the land between the Jura and the lake, from the Pas de l'Ecluse to Versoix

How it was acquired

Apanage from Amadeus I of Geneva.

Allies and rivals

Vassal and kin of the counts of Geneva.

How things stand that morning

Holds Gex.

Wealth

The road from Geneva to the Jura passes and the Pas de l'Ecluse.

Military

Castle of Gex.

Where the sources disagree

Evidence: Genealogy only.

On the map: Rough.

Primary sources for Empire

Chronicles, registers, sagas and inscriptions written in or near 1200 that cover this entry. Each has its own page with editions, translations and where to read it.

8 more in the sources library for The Rhineland, the Low Countries and the Swiss Lands.

Sources and studies

  1. Pays de Gex, fr.wikipedia

Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.